About San Juan
San Juan is a city in San Juan, Argentina with a population of 109,123. It is the 41st largest of the 314 cities of 15,000 or more listed in Argentina, and the 5,270th largest worldwide. It lies 1,005 km from Buenos Aires.
Key Facts
Country
Region
Rank in region
#2of 9
Elevation
646 m
Approximate — modelled, not surveyed
Time zone
America/Argentina/San_Juan
Coordinates
-31.537, -68.526
Record updated
2026-04-13
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 314 in ArgentinaClosest listed cities by great-circle distance from the city centre.